Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
141 FOUS54 KMRX 260617 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 217 AM EDT Sat Jul 26 2025 TNZ017-262000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 217 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 71 91 71 90 Temp 72 72 83 88 91 87 78 74 72 73 82 87 90 85 77 73 72 73 82 87 88 84 Dewpt 70 70 72 72 70 71 70 70 70 71 73 72 72 72 72 71 71 72 74 73 73 72 RH 93 93 70 59 50 59 76 87 93 93 74 61 56 65 85 93 97 97 77 63 61 67 Wind Dir S S W W W W S SW S SW W W W W SW SW SW SW W W NW N Wind Spd 1 1 2 4 4 3 2 2 2 2 4 5 5 4 2 1 1 1 2 5 5 2 Clouds SC FW FW SC FW FW FW FW SC B1 SC SC SC FW SC SC SC SC SC B1 SC SC PoP 12hr 30 20 40 30 50 QPF 12hr 0.01 0 0.04 0.01 0.15 Rain shwrs S C S S S C C C C S S C C C Tstms S C S S C C C S S S C C C Obvis PF PF PF PF Heat index 88 95 97 92 87 94 97 92 88 95 96 90 Max heat 97 98 86 96 100 89 98 98 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 94 71 95 71 89 69 83 Temp 73 73 90 87 73 73 92 87 73 73 87 81 71 69 79 76 Dewpt 71 71 73 71 69 69 70 71 69 70 72 70 68 67 68 65 PWind Dir E N E SE SE W N NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC FW FW FW SC SC B1 B1 B1 B1 B2 B2 B1 PoP 12hr 30 30 20 40 40 70 50 70 Rain shwrs C C S C C S C L C C C L Tstms C C S C S S C C S C $$ TNZ071-262000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 217 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 75 94 76 95 Temp 75 76 86 92 94 88 81 78 76 77 86 92 94 88 81 78 76 77 87 93 94 89 Dewpt 71 71 73 73 71 71 72 71 72 72 74 72 72 71 73 73 72 73 75 74 74 73 RH 87 85 65 54 47 57 74 79 87 85 68 52 49 57 77 85 87 87 68 54 53 59 Wind Dir SW SW SW W SW SW SW SW SW SW W W W W SW SW SW SW NW W NW N Wind Spd 2 2 3 4 6 5 3 2 2 2 3 4 5 4 2 1 1 1 2 3 5 4 Clouds FW FW FW SC FW FW FW SC SC FW FW SC SC SC SC FW SC SC SC SC SC SC PoP 12hr 30 10 30 20 40 QPF 12hr 0.01 0 0.03 0 0.01 Rain shwrs C C C S S C C S Tstms C C C S S C C S Heat index 93101101 94 85 94100102 94 86 96103105 97 Max heat 101 101 89 100 102 91 103 105 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 97 75 96 75 92 73 87 Temp 77 77 95 90 78 77 94 89 77 77 91 81 75 73 84 81 Dewpt 73 74 72 70 72 71 73 71 72 72 74 72 71 70 71 69 PWind Dir NE NE E SE S W NE NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC FW SC SC SC FW SC B1 B1 B1 B1 B2 B2 B1 B1 PoP 12hr 20 30 20 40 40 70 50 60 Rain shwrs S C S C C S C L C C C L Tstms S C S C S S L C S C $$ TNZ036-262000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 217 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 73 94 75 95 Temp 74 75 86 91 91 86 79 76 75 75 86 92 93 88 80 77 75 77 89 94 92 87 Dewpt 72 72 74 73 71 71 72 72 71 72 74 74 73 72 72 73 72 73 75 75 74 73 RH 93 90 68 56 52 61 79 87 87 90 68 56 52 59 77 87 90 87 64 54 56 63 Wind Dir SW SW SW SW SW W W SW SW SW W W W W W W W W W W NW NW Wind Spd 1 1 2 3 4 3 2 2 2 2 2 3 3 2 2 1 1 1 1 2 3 2 Clouds FW FW FW SC FW FW FW FW FW FW FW SC SC FW SC SC SC SC FW SC SC SC PoP 12hr 30 10 30 20 40 QPF 12hr 0 0 0.10 0 0.01 Rain shwrs S C C C S S C C S Tstms S C C C S S C C S Heat index 94100 98 91 94102102 95 84 99106102 94 Max heat 101 102 88 102 103 91 106 106 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 97 75 96 74 92 72 86 Temp 77 77 95 91 79 76 95 87 76 76 90 81 74 72 83 80 Dewpt 74 74 73 72 71 72 73 72 72 72 75 71 71 69 70 67 PWind Dir N NE NE SE W W N NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC FW B1 B1 B1 B1 B1 B2 B2 B1 B1 PoP 12hr 20 30 10 40 40 70 50 60 Rain shwrs S C C C C C L C C C L Tstms S C C S C L C S C $$ TNZ099-262000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 217 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 75 96 76 96 Temp 75 76 85 91 92 88 81 77 76 76 88 94 95 89 81 78 76 77 88 94 95 90 Dewpt 73 73 73 73 72 73 73 72 72 73 74 73 73 73 73 73 73 74 75 73 74 73 RH 94 90 67 56 52 61 77 85 87 90 63 51 49 59 77 85 90 90 66 51 51 58 Wind Dir S S SW S SW SW SW SW SW SW W W W W W W NW NW NW NW NW NW Wind Spd 1 1 2 5 5 4 2 1 1 1 2 4 5 4 2 1 1 1 2 4 5 4 Clouds CL FW SC FW FW FW FW FW FW CL FW FW FW SC FW FW FW FW FW FW SC SC PoP 12hr 30 5 30 5 30 QPF 12hr 0 0 0 0 0 Rain shwrs C C C C C C Tstms C C C C C C Heat index 92100100 96 86 97103105 97 86 98103106 98 Max heat 100 101 90 103 106 93 103 106 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 98 76 96 76 93 74 89 Temp 79 77 95 91 78 78 95 87 78 77 92 84 76 75 86 82 Dewpt 74 75 74 72 73 74 74 74 73 73 75 73 73 72 73 71 PWind Dir N NE NE SE S S NE NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC FW FW FW SC SC SC SC B1 SC SC B1 B1 B1 B1 SC PoP 12hr 5 30 20 60 40 70 40 70 Rain shwrs C S S L C C L C S C L Tstms C S S L C S L C S C $$ NCZ060-262000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 217 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 68 92 70 93 Temp 69 70 82 89 88 82 74 71 69 70 83 89 91 85 75 72 70 72 84 91 92 85 Dewpt 68 68 73 70 70 71 70 69 68 69 72 71 71 71 70 70 69 69 73 71 71 71 RH 97 93 74 54 55 69 87 93 97 97 70 56 52 63 84 93 97 90 70 52 51 63 Min/Max RH 52 97 52 97 49 Wind Dir N N SW W W W N N N N NW NW NW NW NW N N N NW NW NW NW Wind Dir Deg 0 0 22 24 27 25 0 0 0 0 31 30 29 29 31 0 0 0 32 31 31 32 Wind Spd 0 0 1 3 3 2 0 0 0 0 2 4 5 3 1 0 0 0 2 4 5 3 Clouds FW SC FW SC SC FW FW FW FW SC FW FW FW FW FW FW FW FW FW SC SC SC Clouds (%) 14 32 16 35 37 19 10 13 21 35 23 20 19 17 14 21 24 22 15 26 30 28 Vsby 8 9 10 10 10 10 10 10 7 8 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 30 10 20 10 40 QPF 12hr 0.01 0 0 0 0.01 Rain shwrs C S S C C S Tstms C S S C C S Heat index 87 94 93 86 88 95 98 90 90 98 99 90 Max heat 94 96 95 98 86 98 100 ChanceThunder 30 10 20 10 40 Max Mix Hgt AGL Mix Hgt 5100 4700 5900 Max Vent Rt 34600 43400 47700 T Wind Dir SW NW NW T Wind Spd 4 8 8 ADI 30 38 41 Max LVORI 8 8 7 Stability G A A G G A A G G A A Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.04 28.01 28.01 28.03 28.05 28.02 28.01 28.02 28.04 28.01 27.97 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 94 70 93 69 90 68 85 Temp 72 71 93 83 73 71 91 81 71 71 88 79 70 69 82 77 Dewpt 71 70 71 70 69 69 71 72 70 69 71 71 69 68 70 70 PWind Dir N N E SE E S E W Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW SC FW SC SC SC SC B1 B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 20 40 30 60 50 80 60 80 Rain shwrs S C C S L C S C D L C C D Tstms S C S S C C C L C S C This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$